Sequence these regions from largest to smallest, according to their populations.
i. north america
ii. europe
iii. east asia
iv. south asia

a. north america, europe, east asia, south asia
b. south asia, europe, east asia, north america
c. east asia, south asia, europe, north america
d. europe, east asia, north america, south asia

The correct answer is option C.

Explanation:

East Asia possesses a very high population density because of the immense population living in China. South Asia is near to it in terms of population with the countries like India coming in this region. After that comes Europe and eventually North America, a greater part of which is inhabited because of hostile cold conditions.

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.